TTYHOG
if (tp->t_rawq.c_cc > TTYHOG(tp)) {
if ((total >= TTYHOG(tp) / 2 &&
if (tp->t_rawq.c_cc < TTYHOG(tp)/5)
if (tp->t_rawq.c_cc + tp->t_canq.c_cc >= TTYHOG(tp)) {
while (uio->uio_resid > 0 && tp->t_canq.c_cc < TTYHOG(tp) - 1) {
cc = min(cc, TTYHOG(tp) - 1 - tp->t_canq.c_cc);
if ((tp->t_rawq.c_cc + tp->t_canq.c_cc) >= TTYHOG(tp) - 2 &&
} else if ((tp->t_rawq.c_cc + tp->t_canq.c_cc < TTYHOG(tp)-2) ||